<template>
  <div>
    <el-card class="index-container">
      <template #header>
        <div class="header">
          <el-button type="primary" :icon="Plus" @click="handleAdd">增加</el-button>
          <el-popconfirm title="确定删除吗？" confirmButtonText='确定' cancelButtonText='取消' @confirm="handleDelete">
            <template #reference>
              <el-button type="danger" :icon="Delete">批量删除</el-button>
            </template>
          </el-popconfirm>
        </div>
      </template>
      <el-table :load="state.loading" ref="multipleTable" :data="state.tableData" tooltip-effect="dark"
        style="width: 100%" @selection-change="handleSelectionChange">
        <el-table-column type="selection" width="55">
        </el-table-column>
        <el-table-column prop="configName" label="农产品名称">
        </el-table-column>
        <el-table-column label="跳转链接">
          <template #default="scope">
            <a target="_blank" :href="scope.row.redirectUrl">{{ scope.row.redirectUrl }}</a>
          </template>
        </el-table-column>
        <el-table-column prop="configRank" label="排序值" width="120">
        </el-table-column>
        <el-table-column prop="goodsId" label="农产品编号" width="200">
        </el-table-column>
        <el-table-column prop="createTime" label="添加时间" width="200">
        </el-table-column>
        <el-table-column label="操作" width="100">
          <template #default="scope">
            <a style="cursor: pointer; margin-right: 10px" @click="handleEdit(scope.row.configId)">修改</a>
            <el-popconfirm title="确定删除吗？" confirmButtonText='确定' cancelButtonText='取消'
              @confirm="handleDeleteOne(scope.row.configId)">
              <template #reference>
                <a style="cursor: pointer">删除</a>
              </template>
            </el-popconfirm>
          </template>
        </el-table-column>
      </el-table>
      <!--总数超过一页，再展示分页器-->
      <el-pagination background layout="prev, pager, next" :total="state.total" :page-size="state.pageSize"
        :current-page="state.currentPage" @current-change="changePage" />
    </el-card>
    <DialogAddGood ref='addGood' :reload="getIndexConfig" :type="state.type" :configType="state.configType" />
  </div>
</template>

<script setup>
import { onMounted, reactive, ref, toRefs } from 'vue'
import { ElMessage } from 'element-plus'
import { Plus, Delete } from '@element-plus/icons-vue'
import DialogAddGood from '@/components/DialogAddGood.vue'
import { useRoute, useRouter } from 'vue-router'
import axios from '@/utils/axios'
// 首页配置类型参数
const configTypeMap = {
  hot: 3,
  new: 4,
  recommend: 5
}

const router = useRouter()
const route = useRoute()
const multipleTable = ref(null)
const addGood = ref(null)
const state = reactive({
  loading: false,
  tableData: [], // 数据列表
  multipleSelection: [], // 选中项
  total: 0, // 总条数
  currentPage: 1, // 当前页
  pageSize: 10, // 分页大小
  type: 'add', // 操作类型
  configType: 3 // 3-(首页)热销农产品 4-(首页)新品上线 5-(首页)为你推荐
})
// 监听路由变化
router.beforeEach((to) => {
  if (['hot', 'new', 'recommend'].includes(to.name)) {
    state.configType = configTypeMap[to.name]
    state.currentPage = 1
    getIndexConfig()
  }
})
// 初始化
onMounted(() => {
  state.configType = configTypeMap[route.name]
  getIndexConfig()
})
// 首页热销农产品列表
const getIndexConfig = () => {
  state.loading = true
  axios.get('/indexConfigs', {
    params: {
      pageNumber: state.currentPage,
      pageSize: state.pageSize,
      configType: state.configType
    }
  }).then(res => {
    state.tableData = res.list
    state.total = res.totalCount
    state.currentPage = res.currPage
    state.loading = false
  })
}
// 添加农产品
const handleAdd = () => {
  state.type = 'add'
  addGood.value.open()
}
// 修改农产品
const handleEdit = (id) => {
  state.type = 'edit'
  addGood.value.open(id)
}
// 选择项
const handleSelectionChange = (val) => {
  state.multipleSelection = val
}
// 删除
const handleDelete = () => {
  if (!state.multipleSelection.length) {
    ElMessage.error('请选择项')
    return
  }
  axios.delete('/indexConfigs', {
    ids: state.multipleSelection.map(i => i.configId)
  }).then(() => {
    ElMessage.success('删除成功')
    getIndexConfig()
  })
}
// 单个删除
const handleDeleteOne = (id) => {
  axios.delete('/indexConfigs', {
    ids: [id]
  }).then(() => {
    ElMessage.success('删除成功')
    getIndexConfig()
  })
}
const changePage = (val) => {
  state.currentPage = val
  getIndexConfig()
}
</script>

<style scoped>
.index-container {
  min-height: 100%;
}

.el-card.is-always-shadow {
  min-height: 100% !important;
}
</style>